[attachment=139441] cpu為cpu 317-2 dp 接口模塊為im151-1 high feature,通過(guò)profibus線連接(bus接的都是進(jìn)口,都打到on開(kāi)關(guān),用萬(wàn)用表量電阻線是通的),現(xiàn)在在s7-300軟件上根據(jù)硬件的型號(hào)進(jìn)行組態(tài)(型號(hào)對(duì)了好幾遍了絕對(duì)是正確的),硬件組態(tài)download到1.cpu后cpu顯示sf ,bf2報(bào)警2.im151-1模塊sf bf報(bào)警(顯示bf報(bào)警,過(guò)幾秒后sf bf一起報(bào)警)3PM-E模塊sf報(bào)警
請(qǐng)教各位這到底是哪里出了問(wèn)題?